<template>
  <div class="home">
    <el-container>
      <el-aside width="auto">
        <el-menu  class="el-menu-admin" @open="handleOpen" @close="handleClose" background-color="#545c64" text-color="#fff" active-text-color="#ffd04b" :unique-opened='true' :collapse='isCollapse' :router='true' style=' border-right: none' >
          <el-submenu :index="items.id +''" v-for="items in leftmenus" :key="items.id">
            <template slot="title" >
              <i class="el-icon-location"></i>
              <span>{{items.authName}}</span>
            </template>
            <el-menu-item-group v-for="menus in items.children" :key="menus.id">
              <el-menu-item :index="'/'+menus.path">{{menus.authName}}</el-menu-item>
            </el-menu-item-group>
          </el-submenu>
        </el-menu>
      </el-aside>
      <el-container>
        <el-header><span class="myicon myicon-menu toggle-btn" @click='isCollapse=!isCollapse' :collapse="isCollapse"></span>
        <span class="system-title">电商后台管理系统</span>
        <div><span class="welcome">你好:{{$store.state.username?$store.state.username:$store.getters.username}}</span>
        <el-button type="text" @click='logout'>退出</el-button></div>
        </el-header>
        <el-main> <router-view></router-view></el-main>
      </el-container>
    </el-container>

  </div>

</template>

<script>
import { showleftmenus } from '@/api/index.js'
export default {
  data () {
    return {
      isCollapse: false,
      // 左侧权限数据
      leftmenus: []
    }
  },
  mounted () {
    // 渲染左侧菜单权限
    showleftmenus().then((res) => {
      // console.log(res.data)
      // 赋值左侧权限数据
      this.leftmenus = res.data
    })
  },
  methods: {
    handleOpen (key, keyPath) {
      console.log(key, keyPath)
    },
    handleClose (key, keyPath) {
      console.log(key, keyPath)
    },
    logout () {
      // console.log('123')
      // 清除token值，并跳转到登陆页
      localStorage.removeItem('mytoken')
      this.$router.push({name: 'login'})
    }
  }
}
</script>

<style lang='scss' scoped>
.home {
  height: 100%;
  .el-menu-admin:not(.el-menu--collapse) {
    width: 200px;
    min-height: 400px;
  }
  .el-container {
    height: 100%;
  }
  .el-aside {
    background-color: #545c64;
  }
  .el-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #545c64;
  }
  .logo {
    height: 60px;
    background: url(../assets/logo.png);
    background-size: cover;
    background-color: #989898;
  }
  .toggle-btn {
    padding: 0 15px;
    margin-left: -20px;
    font-size: 36px;
    color: white;
    cursor: pointer;
    line-height: 60px;
    &:hover {
      background-color: #4292cf;
    }
  }
  .system-title {
    font-size: 28px;
    color: white;
  }
  .welcome {
    color: black;
  }
}
</style>
